@book{BaumHasskeloBeckeretal.2011,
  author    = {Anja Baum and Hakki Hasskelo and Ralf Becker and Wilfried Weidner},
  title     = {Luftschadstoffe an BAB 2005},
  isbn      = {978-3-86509-540-4},
  year      = {2011},
}